/[projects]/android/TrainInfo/src/dk/thoerup/traininfo/DepartureList.java
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Contents of /android/TrainInfo/src/dk/thoerup/traininfo/DepartureList.java

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Revision 1709 - (show annotations) (download)
Tue Mar 6 11:02:04 2012 UTC (12 years, 2 months ago) by torben
File size: 20914 byte(s)
refactor favorites handling to a seperate class and add favorite adder/remover to departurelist
1 package dk.thoerup.traininfo;
2
3 import static dk.thoerup.traininfo.R.string.departurelist_fetcharrivals;
4 import static dk.thoerup.traininfo.R.string.departurelist_fetchdepartures;
5 import static dk.thoerup.traininfo.R.string.generic_cancel;
6 import static dk.thoerup.traininfo.R.string.generic_retry;
7
8 import java.text.NumberFormat;
9
10 import android.app.AlertDialog;
11 import android.app.Dialog;
12 import android.app.ListActivity;
13 import android.app.ProgressDialog;
14 import android.content.ActivityNotFoundException;
15 import android.content.DialogInterface;
16 import android.content.Intent;
17 import android.content.SharedPreferences;
18 import android.graphics.Typeface;
19 import android.net.Uri;
20 import android.os.AsyncTask;
21 import android.os.Bundle;
22 import android.preference.PreferenceManager;
23 import android.util.Log;
24 import android.view.Menu;
25 import android.view.MenuItem;
26 import android.view.View;
27 import android.view.View.OnClickListener;
28 import android.widget.Button;
29 import android.widget.ListView;
30 import android.widget.TableLayout;
31 import android.widget.TableRow;
32 import android.widget.TextView;
33 import android.widget.Toast;
34 import dk.thoerup.android.traininfo.common.DepartureBean;
35 import dk.thoerup.android.traininfo.common.DepartureEntry;
36 import dk.thoerup.android.traininfo.common.MetroBean;
37 import dk.thoerup.android.traininfo.common.MetroBean.MetroEntry;
38 import dk.thoerup.android.traininfo.common.StationEntry;
39 import dk.thoerup.traininfo.provider.DepartureProvider;
40 import dk.thoerup.traininfo.provider.MetroProvider;
41 import dk.thoerup.traininfo.provider.ProviderFactory;
42
43 import dk.thoerup.traininfo.util.FavoritesHelper;
44 import dk.thoerup.traininfo.util.MessageBox;
45 import dk.thoerup.traininfo.util.StationEntryCsv;
46
47 public class DepartureList extends ListActivity {
48
49 public static final int DLG_PROGRESS = 1;
50 static final int MENU_MAP = 100;
51 static final int MENU_NOTIFICATIONS = 101;
52 static final int MENU_METROMAP = 102;
53 static final int MENU_TOGGLEDETAILS= 103;
54
55 static final int MENU_FAVORITES_ADD = 104;
56 static final int MENU_FAVORITES_REMOVE = 105;
57
58
59 DepartureListAdapter adapter;
60 DepartureProvider provider;
61 DepartureBean departures;
62
63 MetroBean metroBean;
64 MetroProvider metro;
65
66 int selectedItemId;
67
68 FavoritesHelper favorites;
69
70 //DepartureBean currentDeparture;
71
72 ProgressDialog pgDialog;
73
74 DepartureFetcher fetcher;
75 MetroFetcher metroFetcher;
76
77 StationEntry station;
78
79 String trainType = "REGIONAL";
80
81 boolean arrival = false;
82
83 int commFailCounter = 0;
84
85 @Override
86 protected void onCreate(Bundle savedInstanceState) {
87 super.onCreate(savedInstanceState);
88 setContentView(R.layout.departurelist);
89
90 favorites = new FavoritesHelper(this);
91
92 adapter = new DepartureListAdapter(this);
93 setListAdapter(adapter);
94
95 Intent launchedBy = getIntent();
96
97 station = (StationEntry) launchedBy.getSerializableExtra("stationbean");
98
99 ((TextView) findViewById(R.id.stationName)).setText( station.getName() );
100
101
102 ((TextView) findViewById(R.id.stationAddr)).setText( station.getAddress() );
103
104 final Button departureBtn = (Button) findViewById(R.id.departurebtn);
105 final Button arrivalBtn = (Button) findViewById(R.id.arrivalbtn);
106 final Button metroBtn = (Button) findViewById(R.id.metrobtn);
107 final Button regionalBtn = (Button) findViewById(R.id.regionalbtn);
108 final Button stogBtn = (Button) findViewById(R.id.stogbtn);
109
110 final View metroView = findViewById(R.id.metroonly);
111
112 departureBtn.setOnClickListener( new OnClickListener() {
113 @Override
114 public void onClick(View arg0) {
115 arrivalBtn.setBackgroundResource(R.drawable.custom_button);
116 departureBtn.setBackgroundResource(R.drawable.custom_button_hilight);
117 metroBtn.setBackgroundResource(R.drawable.custom_button);
118
119 getListView().setVisibility( View.VISIBLE );
120 metroView.setVisibility( View.GONE );
121 arrival = false;
122 startDepartureFetcher();
123 }
124 });
125 arrivalBtn.setOnClickListener( new OnClickListener() {
126 @Override
127 public void onClick(View arg0) {
128 arrivalBtn.setBackgroundResource(R.drawable.custom_button_hilight);
129 departureBtn.setBackgroundResource(R.drawable.custom_button);
130 metroBtn.setBackgroundResource(R.drawable.custom_button);
131
132 getListView().setVisibility( View.VISIBLE );
133 metroView.setVisibility( View.GONE );
134 arrival = true;
135 startDepartureFetcher();
136 }
137 });
138
139 regionalBtn.setOnClickListener( new OnClickListener() {
140 @Override
141 public void onClick(View arg0) {
142 regionalBtn.setBackgroundResource(R.drawable.custom_button_hilight);
143 stogBtn.setBackgroundResource(R.drawable.custom_button);
144 metroBtn.setBackgroundResource(R.drawable.custom_button);
145
146 departureBtn.setVisibility( View.VISIBLE );
147 arrivalBtn.setVisibility( View.VISIBLE );
148
149 getListView().setVisibility( View.VISIBLE );
150 metroView.setVisibility( View.GONE );
151 trainType = "REGIONAL";
152 startDepartureFetcher();
153 }
154 });
155 stogBtn.setOnClickListener( new OnClickListener() {
156 @Override
157 public void onClick(View arg0) {
158 regionalBtn.setBackgroundResource(R.drawable.custom_button);
159 stogBtn.setBackgroundResource(R.drawable.custom_button_hilight);
160 metroBtn.setBackgroundResource(R.drawable.custom_button);
161
162
163 departureBtn.setVisibility( View.VISIBLE );
164 arrivalBtn.setVisibility( View.VISIBLE );
165
166 getListView().setVisibility( View.VISIBLE );
167 metroView.setVisibility( View.GONE );
168 trainType = "STOG";
169 startDepartureFetcher();
170 }
171 });
172
173
174
175 metroBtn.setOnClickListener( new OnClickListener() {
176 @Override
177 public void onClick(View v) {
178 regionalBtn.setBackgroundResource(R.drawable.custom_button);
179 stogBtn.setBackgroundResource(R.drawable.custom_button);
180 metroBtn.setBackgroundResource(R.drawable.custom_button_hilight);
181
182 departureBtn.setVisibility( View.GONE );
183 arrivalBtn.setVisibility( View.GONE );
184
185 getListView().setVisibility( View.GONE );
186 metroView.setVisibility( View.VISIBLE );
187 startMetroFetcher();
188 }
189 });
190
191
192
193
194 // findViewById(R.id.header).setOnClickListener( mapLauncher );
195
196 int distance = station.getCalcdist();
197 if (distance != 0) {
198 NumberFormat format = NumberFormat.getNumberInstance();
199 format.setMaximumFractionDigits(1);
200 format.setMinimumFractionDigits(1);
201
202 ((TextView) findViewById(R.id.stationDistance)).setText( format.format((double)distance/1000.0) + " km." );
203 } else {
204 ((TextView) findViewById(R.id.stationDistance)).setVisibility(View.GONE);
205 }
206
207 ProviderFactory.purgeOldEntries(); //cleanup before fetching more data
208
209 Log.e("Station", StationEntryCsv.toCSV(station) );
210
211
212
213 if (station.isMetro() == false) {
214 metroBtn.setVisibility( View.GONE );
215 }
216
217 metro = ProviderFactory.getMetroProvider();
218
219 if (station.isRegional() == false ) {
220 regionalBtn.setVisibility(View.GONE);
221 }
222
223 if (station.isStrain() == false ) {
224 stogBtn.setVisibility(View.GONE);
225 }
226
227 if (station.isRegional() == true && station.isStrain() == false ) {
228 if ( station.isMetro() == false )
229 regionalBtn.setVisibility(View.GONE);
230 trainType = "REGIONAL";
231 }
232
233 if (station.isRegional() == false && station.isStrain() == true) {
234 if (station.isMetro() == false)
235 stogBtn.setVisibility(View.GONE);
236
237 stogBtn.setBackgroundResource(R.drawable.custom_button_hilight);
238 trainType = "STOG";
239
240 }
241 //Both enabled - use preferred from preferences
242 if (station.isRegional() == true && station.isStrain() == true ) {
243 SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
244 trainType = prefs.getString("traintype", "REGIONAL"); //default value is gps
245
246 if (trainType.equals("STOG") ) {
247 stogBtn.setBackgroundResource(R.drawable.custom_button_hilight);
248 regionalBtn.setBackgroundResource(R.drawable.custom_button);
249 }
250 }
251
252
253 if (station.isRegional() == false && station.isStrain() == false) {
254 getListView().setVisibility( View.GONE );
255 metroView.setVisibility( View.VISIBLE );
256
257 departureBtn.setVisibility( View.GONE );
258 arrivalBtn.setVisibility(View.GONE);
259 metroBtn.setVisibility( View.GONE );
260
261
262
263 if (savedInstanceState == null) {
264 startMetroFetcher();
265 } else {
266 metroBean = (MetroBean) savedInstanceState.getSerializable("metro");
267 loadMetroData();
268 }
269
270 } else {
271 provider = ProviderFactory.getDepartureProvider();
272
273 if (savedInstanceState == null) {
274 startDepartureFetcher();
275 } else {
276 departures = (DepartureBean) savedInstanceState.getSerializable("departures");
277
278 if ( (departures != null) && (departures.entries != null) ) {
279 adapter.setDepartures(departures.entries);
280 }
281 selectedItemId = savedInstanceState.getInt("selectedItemId");
282
283 if ( hasNotifications() ) {
284 findViewById(R.id.notifIcon).setVisibility(View.VISIBLE);
285 }
286
287 }
288 }
289 }
290
291
292
293 boolean hasNotifications() {
294 return (departures != null && departures.notifications.size() > 0);
295 }
296
297 @Override
298 public void onSaveInstanceState(Bundle outState)
299 {
300 if (pgDialog != null && pgDialog.isShowing())
301 dismissDialog(DLG_PROGRESS);
302
303 outState.putInt("selectedItemId", selectedItemId);
304
305 outState.putSerializable("departures", departures);
306 outState.putSerializable("metro", metroBean);
307 }
308
309
310
311 @Override
312 protected void onDestroy() {
313 super.onDestroy();
314
315 if (fetcher != null) {
316 fetcher.cancel(true);
317 }
318
319 if (metroFetcher != null) {
320 metroFetcher.cancel(true);
321 }
322 }
323
324 @Override
325 protected void onListItemClick(ListView l, View v, int position, long id) {
326 super.onListItemClick(l, v, position, id);
327
328 //how can this happen ??
329 if (departures == null || departures.entries == null || departures.entries.size() == 0) {
330 Toast.makeText(this, "No departures in list ?!?", Toast.LENGTH_LONG).show(); //TODO: translate
331 return;
332 }
333
334 selectedItemId = position;
335
336 DepartureEntry dep = departures.entries.get(selectedItemId);
337
338 Intent intent = new Intent(this, TimetableList.class);
339 intent.putExtra("departure", dep);
340
341 startActivity(intent);
342
343 }
344
345
346 @Override
347 protected void onPrepareDialog(int id, Dialog dialog) {
348 super.onPrepareDialog(id, dialog);
349
350 switch (id) {
351 case DLG_PROGRESS:
352 pgDialog = (ProgressDialog) dialog;
353 int messageId = arrival == false ? departurelist_fetchdepartures : departurelist_fetcharrivals;
354 pgDialog.setMessage( getString(messageId) );
355 break;
356 }
357 }
358
359 @Override
360 protected Dialog onCreateDialog(int id) {
361 switch (id) {
362 case DLG_PROGRESS:
363
364 ProgressDialog dlg = new ProgressDialog(this);
365 dlg.setCancelable(true);
366 return dlg;
367 default:
368 return super.onCreateDialog(id);
369 }
370 }
371
372
373
374 @Override
375 public boolean onPrepareOptionsMenu(Menu menu) {
376 super.onPrepareOptionsMenu(menu);
377
378 ///////////////////////
379
380 MenuItem item = menu.findItem( MENU_NOTIFICATIONS );
381 boolean notifEnabled = hasNotifications();
382 item.setEnabled(notifEnabled);
383
384 //////////////////////////
385
386
387
388
389 return true;
390 }
391
392 @Override
393 public boolean onCreateOptionsMenu(Menu menu) {
394 MenuItem item;
395
396
397 item = menu.add(0, MENU_TOGGLEDETAILS, 0, getString(R.string.departurelist_toggledetails));
398 item.setIcon(android.R.drawable.ic_menu_view);
399
400 item = menu.add(0, MENU_MAP, 0, getString(R.string.departurelist_showonmap) );
401 item.setIcon(android.R.drawable.ic_menu_mapmode);
402
403 item = menu.add(0, MENU_NOTIFICATIONS, 0, getString(R.string.departurelist_notifications) );
404 item.setIcon(android.R.drawable.ic_menu_info_details);
405
406 boolean notifEnabled = hasNotifications();
407 item.setEnabled(notifEnabled);
408
409 ///////////////////////////////////////
410 if ( ! favorites.hasFavorite( this.station.getId() ) ) {
411 item = menu.add(0, MENU_FAVORITES_ADD, 0, getString(dk.thoerup.traininfo.R.string.stationlist_addfavorite) );
412 } else {
413 item = menu.add(0, MENU_FAVORITES_REMOVE, 0, getString(dk.thoerup.traininfo.R.string.stationlist_removefavorite) );
414 }
415 /////////////////////////////
416
417 if (station.isMetro()) {
418 item = menu.add(0, MENU_METROMAP, 0, "Metro" ); //TODO:translate!?!
419 item.setIcon(android.R.drawable.ic_menu_mapmode);
420 }
421
422 return true;
423 }
424
425 @Override
426 public boolean onOptionsItemSelected(MenuItem item) {
427 boolean res = true;
428 switch(item.getItemId()) {
429 case MENU_MAP:
430 Uri uri = Uri.parse("geo:" + station.getLatitude() + "," + station.getLongitude() + "?z=16");
431
432 try {
433 startActivity( new Intent(Intent.ACTION_VIEW, uri));
434 } catch (ActivityNotFoundException anfe) {
435 Toast.makeText(this, "Could not launch google maps", Toast.LENGTH_LONG).show();
436 }
437
438 break;
439 case MENU_NOTIFICATIONS:
440 Intent i = new Intent(this,dk.thoerup.traininfo.NotificationList.class);
441 i.putExtra(NotificationList.EXTRA_NOTIFICATIONS, departures.notifications);
442 startActivity(i);
443 break;
444 case MENU_METROMAP:
445 Intent metroMap = new Intent(this,dk.thoerup.traininfo.MetroMap.class);
446 startActivity(metroMap);
447 break;
448 case MENU_TOGGLEDETAILS:
449 adapter.toggleShowDetails();
450 break;
451 case MENU_FAVORITES_ADD:
452 favorites.addFavorite( this.station.getId() );
453 Toast.makeText(this, getString(dk.thoerup.traininfo.R.string.stationlist_stationadded), Toast.LENGTH_SHORT).show();
454 break;
455 case MENU_FAVORITES_REMOVE:
456 favorites.removeFavorite( station.getId() );
457 Toast.makeText(this, getString(dk.thoerup.traininfo.R.string.stationlist_stationremoved), Toast.LENGTH_SHORT).show();
458 break;
459 default:
460 res = super.onOptionsItemSelected(item);
461 }
462 return res;
463 }
464
465 void startDepartureFetcher() {
466 showDialog(DLG_PROGRESS);
467 fetcher = new DepartureFetcher();
468 fetcher.execute(station.getId());
469 }
470
471 void startMetroFetcher() {
472 showDialog(DLG_PROGRESS);
473 metroFetcher = new MetroFetcher();
474 metroFetcher.execute(station.getId());
475 }
476
477 class DialogDismisser implements View.OnClickListener {
478
479 Dialog dlg;
480 public DialogDismisser(Dialog d) {
481 dlg = d;
482 }
483
484 @Override
485 public void onClick(View v) {
486 if (dlg.isShowing())
487 dlg.dismiss();
488 }
489 }
490
491 /*View.OnClickListener mapLauncher = new View.OnClickListener() {
492 @Override
493 public void onClick(View v) {
494 Uri uri = Uri.parse("geo:" + station.getLatitude() + "," + station.getLongitude());
495 startActivity( new Intent(Intent.ACTION_VIEW, uri));
496 }
497 };*/
498
499
500
501 class DepartureFetcher extends AsyncTask<Integer, Void, Void> {
502
503 @Override
504 protected void onPostExecute(Void result) {
505 super.onPostExecute(result);
506
507
508 pgDialog.dismiss();
509
510 if (departures != null && departures.errorCode == null) {
511 commFailCounter = 0;
512 DepartureList.this.getListView().setVisibility(View.GONE); //Experimental, inspired by http://osdir.com/ml/Android-Developers/2010-04/msg01198.html
513 adapter.setDepartures(departures.entries);
514 DepartureList.this.getListView().setVisibility(View.VISIBLE);
515
516
517 // handle notification icon.
518 View notifIcon = findViewById(R.id.notifIcon);
519 if ( hasNotifications() ) {
520 notifIcon.setVisibility(View.VISIBLE);
521 notifIcon.setClickable(true);
522 notifIcon.setOnClickListener( new View.OnClickListener() {
523 @Override
524 public void onClick(View v) {
525 Intent i = new Intent(DepartureList.this, dk.thoerup.traininfo.NotificationList.class);
526 i.putExtra(NotificationList.EXTRA_NOTIFICATIONS, departures.notifications);
527 startActivity(i);
528 }
529 });
530 } else {
531 notifIcon.setVisibility(View.INVISIBLE);
532 }
533
534 if (departures.entries.size() == 0) {
535 int msgId = (arrival==false) ? R.string.departurelist_nodepartures : R.string.departurelist_noarrivals;
536 MessageBox.showMessage(DepartureList.this, getString(msgId), false);
537 }
538 } else { // communication or parse error
539 commFailCounter++;
540 AlertDialog.Builder builder = new AlertDialog.Builder(DepartureList.this);
541
542 if (departures != null && departures.errorCode != null ) { //got an error xml back
543 commFailCounter = 10;
544 builder.setMessage( getString(R.string.no_backend) );
545 } else {
546 builder.setMessage( getString(R.string.departurelist_fetcherror) );
547 }
548 builder.setCancelable(true);
549
550 if (commFailCounter < 3) {
551 builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
552 public void onClick(DialogInterface dialog, int id) {
553 dialog.dismiss();
554 startDepartureFetcher();
555
556 }
557 });
558 }
559 builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
560 public void onClick(DialogInterface dialog, int id) {
561 dialog.dismiss();
562 DepartureList.this.finish();
563 }
564 });
565
566 try { //TODO: is this still necessary after the 0.9.4.1 fix ?
567 builder.show();
568 } catch (android.view.WindowManager.BadTokenException e) {
569 Log.i("DepartureList", "BadTokenException"); // this can happen if the user switched away from this activity, while doInBackground was running
570 }
571 }
572 }
573
574 @Override
575 protected Void doInBackground(Integer... params) {
576 departures = provider.lookupDepartures(params[0], DepartureList.this.arrival, trainType);
577 return null;
578 }
579
580 }
581
582 public void loadMetroData() {
583 ((TextView) findViewById(R.id.operations)).setText( metroBean.operationInfo );
584 ((TextView) findViewById(R.id.plan)).setText( metroBean.plan );
585
586
587 TableLayout table = (TableLayout) findViewById(R.id.metrotable);
588 table.removeAllViews();
589
590 TableRow head = new TableRow(this);
591
592 TextView h1 = new TextView(this);
593 h1.setText("Metro");
594 h1.setTextSize(16);
595 h1.setTypeface( Typeface.defaultFromStyle(Typeface.BOLD));
596
597
598 TableRow.LayoutParams params = new TableRow.LayoutParams();
599 params.span = 2;
600 head.addView(h1, params);
601
602
603
604 TextView h2 = new TextView(this);
605 h2.setTextSize(16);
606 h2.setTypeface( Typeface.defaultFromStyle(Typeface.BOLD));
607 h2.setText("Om minutter");
608
609 params = new TableRow.LayoutParams();
610 params.weight = 2;
611 head.addView(h2,params);
612
613
614
615 table.addView(head);
616
617 for (MetroEntry entry : metroBean.entries) {
618 TableRow row = new TableRow(this);
619
620 Log.e("Test", "" + entry.destination);
621
622 TextView v1 = new TextView(this);
623 v1.setTextSize(16);
624 v1.setText( entry.metro );
625 row.addView(v1);
626
627 TextView v2 = new TextView(this);
628 v2.setTextSize(16);
629 v2.setText( entry.destination );
630 row.addView(v2);
631
632 TextView v3 = new TextView(this);
633 v3.setTextSize(16);
634 v3.setText( entry.minutes );
635 row.addView(v3);
636
637 table.addView(row);
638
639 }
640 findViewById(R.id.rootView).requestLayout();
641 }
642
643 class MetroFetcher extends AsyncTask<Integer, Void, Void> {
644
645 @Override
646 protected void onPostExecute(Void result) {
647 super.onPostExecute(result);
648
649
650
651 pgDialog.dismiss();
652
653 if (metroBean != null) {
654 loadMetroData();
655 } else { // communication or parse error
656 commFailCounter++;
657 AlertDialog.Builder builder = new AlertDialog.Builder(DepartureList.this);
658 builder.setMessage("Error finding metro data");
659 builder.setCancelable(true);
660 if (commFailCounter < 3) {
661 builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
662 public void onClick(DialogInterface dialog, int id) {
663 dialog.dismiss();
664 startMetroFetcher();
665
666 }
667 });
668 }
669 builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
670 public void onClick(DialogInterface dialog, int id) {
671 dialog.dismiss();
672 DepartureList.this.finish(); //TODO: should we really close the activity ??
673 }
674 });
675
676 try { //TODO: is this still necessary after the 0.9.4.1 fix ?
677 builder.show();
678 } catch (android.view.WindowManager.BadTokenException e) {
679 Log.i("DepartureList", "BadTokenException"); // this can happen if the user switched away from this activity, while doInBackground was running
680 }
681 }
682 }
683
684 @Override
685 protected Void doInBackground(Integer... params) {
686 metroBean = metro.lookupMetroInfo(params[0]);
687 return null;
688 }
689
690 }
691
692 }

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